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WorksheetsVolcano Test
Total questions: 38
Worksheet time: 19mins
Name
Class
Date
1.
When two oceanic plates collide what is produced in that area?
a)
Cinder Cone Volcano
b)
Island Arc
c)
Ring of Fire
d)
Hot Spot
2.
Which came first out of the vent, in the eruption of a volcano?
a)
silica
b)
magma
c)
lava
d)
ash
3.
A volcano is ___________________
a)
a geyser
b)
a hot spot
c)
a hole in the Earth's crust connect to the mantle
d)
an earthquake
4.
Where are most volcanoes found?
a)
California
b)
Pacific Plate
c)
North American Plate
d)
Alaska
5.
A hot spot is . . . .
a)
a place where volcanoes form.
b)
a place where magma rises to the surface
c)
where people like to vacation.
d)
a place where volcanoes "chill out".
6.
A volcano that has layers of lava, then layers of ash, repeated is a . . . .
a)
shield volcano
b)
lava plateau
c)
cinder cone volcano
d)
composite volcano
7.
Which comes last, magma or lava?
a)
They both come at the same time.
b)
Only lava comes last.
c)
Magma comes last.
d)
They come when they are ready.
8.
An explosive eruption from a volcano, may produce a
a)
Volcanic bomb
b)
cinders
c)
Pyroclastic flow
d)
All answers are true
9.
When magma hardens in between layers of rock, it is known as a ____________________
a)
volcanic neck
b)
volcanic dike
c)
volcanic sill
d)
batholith
10.
In a volcanic area, underground water and steam can form a geyser, which is ________________.
a)
hot springs
b)
volcanoes vent
c)
volcanoes pipe
d)
magma chamber
11.
When a volcano erupts lava that hardens on top of previous lava, what kind of volcano is produced?
a)
Composite
b)
Caldera
c)
Cinder Cone
d)
Shield
12.
Which ingredient in magma determines whether an eruption is explosive or quiet?
a)
Amount of rock.
b)
Amount of magma.
c)
Amount of obsidian rock.
d)
Amount of silica.
13.
When the magma chamber of a volcano collapses after the eruption it is called a _____________________.
a)
lava plateau
b)
strato volcano
c)
hot spot
d)
caldera
14.
What causes a volcano to erupt?
a)
expanding gases
b)
expanding magma
c)
expanding lava
d)
expanding silica
15.
What are the three stages of volcanic activity?
a)
shield, composite, and cinder cone
b)
lava plateau, caldera, geyser
c)
extinct, active, and hot spot
d)
extinct, active, and dormant
16.
A volcano that is primarily made up of cinders, ash, and bombs is a ________________ volcano.
a)
lava plateau
b)
volcanic neck
c)
pyroclastic flow
d)
cinder cone volcano
17.
Devils Tower in Wyoming is an example of a _________________.
a)
volcanic sill
b)
volcanic neck
c)
batholith
d)
volcanic dike
18.
Which definition best explains a dormant volcano?
a)
A volcano can erupt any day, at any time.
b)
A volcano's magma chamber has gone extinct.
c)
A volcano will never erupt again.
d)
A volcano has erupted in the past, but there is no sign it will erupt soon.
19.
When magma exits out of the volcanoes _______________, it becomes ____________.
a)
vent/silica
b)
magma chamber, hot spring
c)
vent , lava
d)
pipe, magma
20.
Lava that has a ropelike coils is ________________.
a)
Aa lava
b)
Pillow lava
c)
basaltic lava
d)
Pahoehoe lava
21.
Which mountain in California is a "caldera"?
a)
Mt. Shasta
b)
Mt. Whitney
c)
Mt. Diablo
d)
Mammoth Mountain
22.
When a volcano's magma chamber grows cold and hard it is known as a __________?
a)
Side Vent
b)
caldera
c)
batholith
d)
pyroclastic flow
23.
Which of the listed parts below are NOT part of a volcano?
a)
fault
b)
vent
c)
side vent
d)
lava flow
24.
When magma hardens in the pipe it is called a _________________?
a)
volcanic sill
b)
volcanic dike
c)
caldera
d)
volcanic neck
25.
When water and steam erupt form the ground they form a ________________.
a)
dike
b)
hot spring
c)
batholith
d)
geyser
26.
Which part of the volcano is considered the "storage place"?
a)
Magma Chamber
b)
Vent
c)
Side Vent
d)
Pipe
27.
Which statement is "true" about predicting volcanic eruptions.
a)
Geologists predict them easier.
b)
Geologist predict how powerful they are.
c)
Geologist can predict the type of eruption.
d)
Geologist never have any warning.
28.
Lassen Peak formed because of ______________?
a)
Earthquakes
b)
Mountain building
c)
Fault movement
d)
Subduction
29.
Which list below shows how magma travels?
a)
magma chamber, side vent, vent, pipe, crater
b)
magma chamber, crater, vent, side vent, pipe
c)
pyroclastic flow, crater, vent, pipe, magma chamber
d)
magma chamber, pipe, vent, crater
30.
The collapse of a volcano's magma chamber may produce a ________________.
a)
crater
b)
island arc
c)
batholith
d)
caldera
31.
As volcanic ash breaks down it releases what two chemicals
a)
oxygen & carbon dioxide
b)
phosphorus & potassium
c)
H2O & CO
d)
sulphur & cholrine
32.
A thin sheet of magma that hardens underground is a ______________.
a)
dike
b)
sill
c)
caldera
d)
batholith
33.
When magma squeezes between layers of rock it forms a _________________.
a)
intrusive rock
b)
extrusive rock
c)
dike
d)
sill
34.
A volcano is most likely to form ________________
a)
in the center of a tectonic plate
b)
where ocean plates collide with continental plates
c)
where crust slide past each other
d)
in a basin
35.
This picture shows the formation of what?
a)
caldera
b)
island are volcanoes
c)
hot spot
d)
mid-ocean ridge
36.
Bonus Question #1 - What is the "Ring of Fire"?
a)
Volcanoes around the Pacific Plate.
b)
Hawaiian Islands
c)
Volcanoes in the Pacific Ocean
d)
Volcanoes around the Atlantic Ocean
37.
Bonus Question #2 - Magma that hardens in the pipe creates a _________________
a)
neck
b)
sill
c)
dike
d)
lacolith
38.
Bonus Question #3 - If volcanic rock is found outside of the layers of Earth, it is know as _____.
a)
intrusive volcanic rock
b)
obsidian rock
c)
igneous rock
d)
extrusive volcanic rock
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